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CAS No. : | 825-90-1 | MDL No. : | MFCD00044734 |
Formula : | C6H5NaO4S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | BYMHXIQVEAYSJD-UHFFFAOYSA-M |
M.W : | 196.16 | Pubchem ID : | 4379756 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81.1% | Sodium 4-hydroxybenzenesulfonate (3) (1.0 g, 0.0049 mol),Addition of a solution of DCM (6 ml) and TEA (1.0 g, 0.0098 mol) in pivaloyl chloride (0.84 g, 0.0069 mol) is carried out dropwise at 20-25 C. under magnetic stirring in about 5 minutes. The mixtureContinue stirring at 20-25 C for 2 hours while monitoring with HPLC. After completion of the reaction,DMF (0.11 g, 0.0015 mol) was added,Thionyl chloride (0.77 g, 0.0064 mol) is added dropwise at 20-25 C. over 15 minutes. The mixtureWhile monitoring by HPLC,Stirring is continued for 2 hours at this temperature. After completion of the reaction,The solvent was removed by evaporation under reduced pressure,Toluene (10 ml) was added,The salt was filtered off,The solvent is concentrated under reduced pressure. To the resulting residue,5 ml of n-hexane was added,next,It was cooled to 0 C.,The resulting suspension is filtered,Wash the product with n-hexane. 1.1 g of a pale yellow solid (81.1%). |
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